Thai doughnut enzyme is safe. Because Thai doughnut enzyme is the final product of vegetable and fruit fermentation. Thai doughnut enzyme is the final product of vegetables and fruits after fermentation. There are many probiotics and microorganisms, which can promote gastrointestinal peristalsis and digestion and absorption, and achieve the effect of relaxing bowels and losing weight. So it's very safe, so Thai doughnut enzyme is safe.